WO2016192336A1 - 基于wlan的终端定位方法和装置 - Google Patents

基于wlan的终端定位方法和装置 Download PDF

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Publication number
WO2016192336A1
WO2016192336A1 PCT/CN2015/095683 CN2015095683W WO2016192336A1 WO 2016192336 A1 WO2016192336 A1 WO 2016192336A1 CN 2015095683 W CN2015095683 W CN 2015095683W WO 2016192336 A1 WO2016192336 A1 WO 2016192336A1
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WO
WIPO (PCT)
Prior art keywords
wlan
terminal
information
location information
target location
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PCT/CN2015/095683
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English (en)
French (fr)
Inventor
陈亚斌
郭洋
胡宝命
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中兴通讯股份有限公司
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Publication of WO2016192336A1 publication Critical patent/WO2016192336A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/02—Services making use of location information
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0252—Radio frequency fingerprinting
    • G01S5/02521—Radio frequency fingerprinting using a radio-map
    • G01S5/02524—Creating or updating the radio-map
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0252—Radio frequency fingerprinting
    • G01S5/02529—Radio frequency fingerprinting not involving signal parameters, i.e. only involving identifiers

Definitions

  • This document relates to, but is not limited to, the field of communication technologies, and in particular, to a WLAN-based terminal positioning method and apparatus.
  • WLAN Wireless Local Area Networks
  • WLAN online positioning only when the terminal accesses the WLAN through authentication and obtains WLAN information, the terminal can obtain the target location information of the terminal through the WLAN information.
  • the terminal cannot obtain the authentication information, and the terminal cannot access the WLAN, so that the target location information of the terminal cannot be obtained through the WLAN information. Therefore, according to the related WLAN online positioning technology, the target location information of the terminal is not comprehensive enough, so that accurate positioning of the terminal cannot be achieved.
  • the embodiment of the invention provides a WLAN-based terminal positioning method and device, which aims to solve the technical problem of how to improve the accuracy of terminal positioning.
  • An embodiment of the present invention provides a WLAN-based terminal positioning method, where the WLAN-based terminal positioning method includes the following steps:
  • the terminal searches for WLAN information, records the searched WLAN information and searches for the search time of the WLAN information;
  • the acquiring the target location information of the terminal at the search moment according to the recorded WLAN information and the search moment includes:
  • the WLAN location information includes latitude and longitude information corresponding to the WLAN information, and determining the target location information according to the acquired WLAN location information includes:
  • the longitude value and the latitude value in all the WLAN location information are averaged, respectively, and the average of the obtained longitude and latitude is taken as the target location information.
  • the generating a location trajectory of the terminal according to the target location information and the search moment corresponding to the target location information, and performing positioning on the terminal according to the location trajectory includes:
  • the target location information and the search time corresponding to the target location information are added to the saved location trajectory to form a new location trajectory, and according to the new location trajectory Positioning the terminal.
  • An embodiment of the present invention further provides a WLAN-based terminal locating device, where the WLAN-based terminal locating device includes:
  • Obtaining a module configured to: when the terminal searches for WLAN information, record the searched WLAN information and search time of the WLAN information; and when the terminal is connected to the network, obtain the location according to the recorded WLAN information and the search time Determining target location information of the terminal at the search moment;
  • the positioning module is configured to generate a location trajectory of the terminal according to the target location information and a search time corresponding to the target location information, and locate the terminal according to the location trajectory.
  • the obtaining module includes:
  • Obtaining configured to acquire WLAN location information corresponding to each WLAN information when there are multiple WLAN information corresponding to the search time;
  • a determining unit configured to determine the target location information according to the obtained WLAN location information.
  • the WLAN location information includes latitude and longitude information corresponding to the WLAN information
  • the determining unit is configured to: determine, according to the acquired WLAN location information, the target location information by: all WLAN locations
  • the longitude value and the latitude value in the information are respectively averaged, and the average of the obtained longitude and latitude is taken as the target position information.
  • the positioning module includes:
  • an update unit configured to add the target location information and the search time corresponding to the target location information to the saved location track to form a new location track, and according to the location track when the location track of the terminal is saved The new location trajectory locates the terminal.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • the terminal searches for WLAN information
  • the searched WLAN information and the search time of the searched WLAN information are recorded, and when the terminal is connected to the network, the target location of the terminal at the search time is obtained according to the recorded WLAN information and the search time. information.
  • the location trajectory of the terminal is generated according to the obtained target location information and the search time corresponding to the target location information, and the terminal is located according to the generated location trajectory. Therefore, the WLAN information searched when the terminal is disconnected from the network and the search time of the WLAN information are searched, and the recorded target location information of the terminal at the search time is obtained when the terminal is connected to the network, so that the target location information of the acquired terminal is comprehensive. Improve the accuracy of positioning the terminal.
  • FIG. 1 is a schematic flowchart diagram of a WLAN-based terminal positioning method according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of positioning an active area of a user in an embodiment of the present invention.
  • step S20 in FIG. 1 is a schematic flowchart of the refinement of step S20 in FIG. 1 according to an embodiment of the present invention
  • FIG. 4 is a schematic diagram of updating an active area of a user according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of functional modules of a WLAN-based terminal positioning apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a refinement function module of the acquisition module in FIG. 5 according to the present invention.
  • the WLAN-based terminal positioning method of this embodiment includes the following steps:
  • Step S10 When the terminal searches for WLAN information, record the searched WLAN information and search time for searching for WLAN information;
  • the terminal may be a mobile terminal such as a mobile phone, a tablet computer, or a car computer.
  • the terminal searches for the WLAN information, the searched WLAN information is acquired, and the search time of the searched WLAN information is recorded, and the search time is stored in association with the searched WLAN information.
  • the WLAN information includes a Service Set Identifier (SSID) and a Hardware Access Control (MAC).
  • the manner in which the terminal searches for the WLAN information may be to search the WLAN information of the surrounding area every preset time period.
  • the preset time period may be 5 minutes, or may be flexibly set according to specific conditions.
  • the manner in which the terminal searches for WLAN information may also be that when the terminal switches from the networked state to the disconnected state, or the terminal switches from the disconnected state to the networked state, the terminal is triggered to search for surrounding WLAN information.
  • the way the terminal searches for WLAN information can also be other search methods.
  • the WLAN information that the terminal searches for at the same search time may be one or multiple, so that the correspondence between the search time and the WLAN information is as shown in Table 1:
  • the WLAN information searched by the terminal at time 1 is three
  • the WLAN information searched at time 2 is one
  • the WLAN information searched at time 3 is two.
  • the plurality of WLAN information that the terminal searches for at the same search time may also be six, or may be flexibly set according to specific conditions, and does not limit the present invention.
  • step S20 when the terminal is connected to the network, the target location information of the terminal at the search time is obtained according to the recorded WLAN information and the search time;
  • the target location information is latitude and longitude information of the terminal.
  • the latitude and longitude information corresponding to the WLAN information in the preset database is obtained according to the recorded WLAN information, thereby obtaining the latitude and longitude information corresponding to the WLAN information, and The latitude and longitude information corresponding to the obtained WLAN information is used as the target location information of the terminal. Since the terminal can search for the WLAN information, it indicates that the terminal is within the coverage of the WLAN information, so the latitude and longitude information corresponding to the WLAN information can be used to represent the target location information of the terminal.
  • the preset database may be: since each WLAN information has its own latitude and longitude information, all the WLAN information is stored in a one-to-one correspondence with the latitude and longitude information that matches itself to form a database, and the preset database is stored. On the server side.
  • Step S30 Generate a location trajectory of the terminal according to the target location information and a search time corresponding to the target location information, and locate the terminal according to the location trajectory.
  • the target location information is multiple, and each target location information corresponds to a search moment.
  • a position trajectory of the terminal is generated based on the plurality of target position information and the corresponding search time.
  • the position trajectory may be generated by the trajectory analysis software, and the generating method may include: determining a position point by using a target position information and a corresponding search time, and determining all the position information and all the position points determined by the corresponding search time. According to the order of time, the lines are connected in order, thereby forming a positional trajectory of the terminal.
  • the trajectory analysis software can also perform filtering and the like on the position trajectory of the formed terminal, so that the obtained position trajectory is relatively smooth.
  • Positioning the terminal The method may be: acquiring an area with the highest concentration of the location point corresponding to each of the target location information in the location trajectory; and using the acquired area as the location information corresponding to the terminal.
  • the area with the highest density may be: in the position track, the area with the largest number of position points per unit area.
  • the most densely populated area may be one of the positional trajectories of the terminal or an area.
  • the position point is used as the position information corresponding to the terminal.
  • an area in which the target position information is concentrated is used as the position information corresponding to the terminal.
  • the manners of obtaining the location information corresponding to the terminal according to the location trajectory are merely exemplary. Those skilled in the art can use the technical idea of the present invention to obtain other terminals according to the location trajectory according to the specific requirements.
  • the location information is within the scope of the present invention and is not exhaustive.
  • Embodiments of the present invention are applicable to positioning an active area of a user.
  • the terminal is a mobile phone and the user carries the mobile phone with him or her
  • the location information corresponding to the mobile phone can represent the active area of the user.
  • Figure 2 suppose the user goes out at 7:00 in the morning, arrives at a nearby supermarket to buy food at 7:10, buys good food, arrives at a nearby park at 7:30 to chat with friends, and then returns home at 9:00.
  • the positional trajectory of the obtained user is as indicated by the arrow in FIG. 2, and it can be seen that the area composed of the home, the supermarket, and the park can be used as the active area of the user.
  • the time occupied by the supermarket or the park is relatively large, and the active area of the user may also be home.
  • it is conducive to regional supermarkets, shopping malls, theaters, tourism and other information pushers, and can push information to users in a targeted manner, which not only improves the efficiency of information push, but also matches the needs of users well. Can reduce costs.
  • the searched WLAN information and the search time of the WLAN information are recorded.
  • the location trajectory of the terminal is generated and the terminal is located. Therefore, the WLAN information searched when the terminal is disconnected from the network and the search time of the WLAN information are searched, and the recorded target location information of the terminal at the search time is obtained when the terminal is connected to the network, so that the target location information of the acquired terminal is comprehensive. Improve the accuracy of positioning the terminal.
  • the foregoing step S20 may include the following steps:
  • Step S21 When there are multiple WLAN information corresponding to the search time, respectively acquire WLAN location information corresponding to each WLAN information;
  • Step S22 Determine the target location information according to the obtained WLAN location information.
  • the WLAN location information corresponding to each WLAN information is obtained by using a database preset in the query server, where the WLAN location information includes latitude and longitude information corresponding to the WLAN information. Determining the target location information according to the acquired WLAN location information, optionally, averaging the longitude value and the latitude value in all the WLAN location information, and using the average of the obtained longitude and latitude as the target location information.
  • the latitude and longitude information corresponding to one of the WLAN information may be arbitrarily selected from the acquired latitude and longitude information of the WLAN information as the target location information of the terminal at the search time. It can be understood that the determination of the target location information can also be flexibly set according to specific situations, and does not limit the present invention.
  • the foregoing step S30 may include:
  • the target location information and the search time corresponding to the target location information are added to the saved location trajectory to form a new location trajectory, and according to the new location trajectory Positioning the terminal.
  • the terminal may be in a networked or disconnected state. After the location track of the terminal is generated, when the terminal is disconnected, the location track of the generated terminal is saved. When the location trajectory of the terminal is saved, after the subsequent obtained target location information and the search time corresponding to the target location information, the saved location trajectory is added to reposition the terminal according to the new location trajectory.
  • the terminal continuously searches for WLAN information according to the above search method. When the terminal searches for the WLAN information, it continues to acquire the currently searched WLAN information, records the current search time of the currently searched WLAN information, and matches the current search time with the currently searched WLAN information.
  • the latitude and longitude information of the WLAN is obtained by querying the WLAN information currently being searched, and the obtained latitude and longitude information of the WLAN is used as the current target of the terminal. location information.
  • the current target location information and the current search time are added to the saved location track of the terminal, that is, the trajectory analysis software, according to the saved location trajectory, according to the current target location information and the location point determined by the current search time, according to the time
  • the sequence is sequentially connected to form a new position trajectory, and the terminal is positioned according to the new position trajectory, that is, the position point or the area is re-acquired as the position information corresponding to the terminal.
  • the target location information of the terminal is continuously acquired, and the location trajectory of the terminal is continuously updated, thereby further improving the accuracy of positioning the terminal.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the above method.
  • the WLAN-based terminal locating device of this embodiment includes:
  • the obtaining module 100 is configured to: when the terminal searches for the WLAN information, record the searched WLAN information and the search time for searching for the WLAN information; and when the terminal is connected to the network, obtain the WLAN information and the search time according to the recorded information.
  • the terminal may be a mobile terminal such as a mobile phone, a tablet computer, or a car computer.
  • the acquiring module 100 acquires the searched WLAN information, records the search time of the searched WLAN information, and stores the search time in association with the searched WLAN information.
  • the WLAN information includes a Service Set Identifier (SSID) and a Hardware Access Control (MAC).
  • the manner in which the terminal searches for the WLAN information may be to search the WLAN information of the surrounding area every preset time period.
  • the preset time period may be 5 minutes, or may be flexibly set according to specific conditions.
  • the manner in which the terminal searches for WLAN information may also be that when the terminal switches from the networked state to the disconnected state, or the terminal switches from the disconnected state to the networked state, the terminal is triggered to search for surrounding WLAN information.
  • the way the terminal searches for WLAN information can also be other search methods.
  • the WLAN information that the terminal searches for at the same search time may be one or multiple, so that the correspondence between the recorded search time and the WLAN information is as shown in Table 1:
  • the WLAN information searched by the terminal at time 1 is three
  • the WLAN information searched at time 2 is one
  • the WLAN information searched at time 3 is two.
  • the plurality of WLAN information that the terminal searches for at the same search time may also be six, or may be flexibly set according to specific conditions, and does not limit the present invention.
  • the target location information is latitude and longitude information of the terminal.
  • the obtained WLAN information is transmitted to the obtaining module 100, and the obtaining module 100 is configured to query the preset database and the WLAN information according to the recorded WLAN information.
  • the latitude and longitude information corresponding to the WLAN information is obtained, and the latitude and longitude information corresponding to the obtained WLAN information is used as the target location information of the terminal.
  • the terminal can search for the WLAN information, it indicates that the terminal is within the coverage of the WLAN information, so the latitude and longitude information corresponding to the WLAN information can be used to represent the target location information of the terminal.
  • the database can be: since each WLAN information is its own The latitude and longitude information, so that all the WLAN information is stored in a one-to-one correspondence with the latitude and longitude information that matches itself, and the database is stored on the server side.
  • the positioning module 200 is configured to generate a location trajectory of the terminal according to the target location information and a search time corresponding to the target location information, and locate the terminal according to the location trajectory.
  • the target location information is multiple, and each target location information corresponds to a search moment.
  • the positioning module 200 is configured to generate a position trajectory of the terminal according to the plurality of target position information and the corresponding search time.
  • the position trajectory may be generated by the trajectory analysis software, and the generating method may include: determining a position point by using a target position information and a corresponding search time, and determining all the position information and all the position points determined by the corresponding search time. According to the order of time, the lines are connected in order, thereby forming a positional trajectory of the terminal.
  • the trajectory analysis software can also perform filtering and the like on the position trajectory of the formed terminal, so that the obtained position trajectory is relatively smooth.
  • the positioning module 200 is arranged to position the terminal according to the position trajectory.
  • the positioning module 200 can be used to locate the terminal, and obtain the region with the highest concentration of the location point corresponding to each of the target location information in the location trajectory, and use the obtained region as the location information corresponding to the terminal.
  • the area with the highest density may be: in the position track, the area with the largest number of position points per unit area.
  • the most densely populated area may be one of the positional trajectories of the terminal or an area.
  • the positioning module 200 is configured to obtain, in the position trajectory of the terminal, if the time occupied by a certain position point in a day is relatively large, the position point is used as the position information corresponding to the terminal.
  • an area in which the target position information is concentrated is used as the position information corresponding to the terminal.
  • the manners of obtaining the location information corresponding to the terminal according to the location trajectory are merely exemplary. Those skilled in the art can use the technical idea of the present invention to obtain other terminals according to the location trajectory according to the specific requirements.
  • the location information is within the scope of the present invention and is not exhaustive.
  • Embodiments of the present invention are applicable to positioning an active area of a user.
  • the terminal is a mobile phone and the user carries the mobile phone with him or her
  • the location information corresponding to the mobile phone can represent the active area of the user.
  • Figure 2 suppose the user goes out at 7:00 in the morning, arrives at a nearby supermarket to buy food at 7:10, buys good food, arrives at a nearby park at 7:30 to chat with friends, and then returns home at 9:00.
  • the position trajectory of the user is shown by the arrow in Fig. 2, and it can be seen that it can be composed of home, supermarket and park.
  • the area is the active area of the user.
  • the time occupied by the supermarket or the park is relatively large, and the active area of the user may also be home.
  • it is conducive to regional supermarkets, shopping malls, theaters, tourism and other information pushers, and can push information to users in a targeted manner, which not only improves the efficiency of information push, but also matches the needs of users well. Can reduce costs.
  • the searched WLAN information and the search time of the WLAN information are recorded.
  • the location trajectory of the terminal is generated and the terminal is located. Therefore, the WLAN information searched when the terminal is disconnected from the network and the search time of the WLAN information are searched, and the recorded target location information of the terminal at the search time is obtained when the terminal is connected to the network, so that the target location information of the acquired terminal is comprehensive. Improve the accuracy of positioning the terminal.
  • the foregoing obtaining module 100 includes:
  • the obtaining unit 110 is configured to acquire WLAN location information corresponding to each WLAN information when there are multiple WLAN information corresponding to the search time;
  • the determining unit 120 is configured to determine the target location information according to the acquired WLAN location information.
  • the acquiring unit 110 is configured to acquire the WLAN location information corresponding to each WLAN information by using the database of the query server, where the WLAN location information includes the latitude and longitude information corresponding to the WLAN information.
  • the determining unit 120 is further configured to determine the target location information according to the acquired WLAN location information.
  • the determining unit 120 is configured to average the longitude and latitude values in all the WLAN location information, respectively, and obtain the obtained longitude and The average value of the latitude is used as the target position information.
  • the determining unit 120 may be configured to arbitrarily select the latitude and longitude information corresponding to one of the WLAN information from the latitude and longitude information corresponding to the acquired WLAN information as the target location information of the terminal at the search time. It can be understood that the determination of the target location information can also be flexibly set according to specific situations, and does not limit the present invention.
  • the foregoing positioning module may include:
  • an update unit configured to add the target location information and the search time corresponding to the target location information to the saved location track to form a new location track, and according to the location track when the location track of the terminal is saved The new location trajectory locates the terminal.
  • the terminal may be in a networked or disconnected state. After the location track of the terminal is generated, when the terminal is disconnected, the location track of the generated terminal is saved. When the location trajectory of the terminal is saved, the update unit is set to be added to the saved location trajectory after the subsequent obtained target location information and the search time corresponding to the target location information, to reposition the terminal according to the formation of the new location trajectory. .
  • the terminal continuously searches for WLAN information according to the above search method.
  • the update unit is configured to continue to obtain the currently searched WLAN information, record the current search time of the currently searched WLAN information, and store the current search time with the currently searched WLAN information.
  • the update unit is configured to obtain the latitude and longitude information of the WLAN by using the database preset in the query server according to the currently searched WLAN information, and use the obtained latitude and longitude information of the WLAN as The current target location information of the terminal. Then, the updating unit is configured to add the current target location information and the current search moment to the location track of the saved terminal, that is, the location determined by the trajectory analysis software based on the saved target trajectory according to the current target location information and the current search time.
  • Points are sequentially connected in the order of time, thereby forming a new position trajectory, and positioning the terminal according to the new position trajectory, that is, reacquiring the position point or the area as the position information corresponding to the terminal.
  • the target location information of the terminal is continuously acquired, and the location trajectory of the terminal is continuously updated, thereby further improving the accuracy of positioning the terminal.
  • each module/unit in the above embodiment may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement its corresponding function, or may be implemented in the form of a software function module, for example, executing a program stored in the memory by a processor. / instruction to achieve its corresponding function.
  • the invention is not limited to any specific form of combination of hardware and software.
  • the foregoing technical solution can realize the WLAN information searched when the terminal is disconnected from the network and the search time of searching for the WLAN information, and acquire the recorded target location information of the terminal at the search time when the terminal is connected to the network, so that the target location information of the acquired terminal is compared. Comprehensive, improving the accuracy of positioning the terminal.

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Abstract

一种基于WLAN的终端定位方法和装置，其中，所述方法包括：所述基于WLAN的终端定位方法包括以下步骤：当终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻；在所述终端联网时，根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息；根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位。上述技术方案提高了对终端进行定位的准确性。

Description

基于WLAN的终端定位方法和装置 技术领域
本文涉及但不限于通信技术领域，尤其涉及一种基于WLAN的终端定位方法和装置。
背景技术
目前，相关的WLAN(Wireless Local Area Networks，无线局域网)定位技术都是采用在线定位的方式。WLAN在线定位过程中，只有终端通过鉴权认证接入WLAN，获取WLAN信息时，才能通过该WLAN信息获取终端的目标位置信息。但是对于绝大部分的WLAN信息，终端是无法获取鉴权信息而导致无法接入WLAN，从而不能通过该WLAN信息获取终端的目标位置信息。因此，按照相关的WLAN在线定位技术得到终端的目标位置信息不够全面，从而无法实现对终端进行准确的定位。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供一种基于WLAN的终端定位方法和装置，旨在解决如何提高终端定位的准确性的技术问题。
本发明实施例提供了一种基于WLAN的终端定位方法，所述基于WLAN的终端定位方法包括以下步骤：
当终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻；
在所述终端联网时，根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息；
根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终 端的位置轨迹，并根据所述位置轨迹对所述终端进行定位。
可选地，所述根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息包括：
当有搜索时刻对应的WLAN信息为多个时，分别获取每个WLAN信息对应的WLAN位置信息；
根据获取的所述WLAN位置信息确定所述目标位置信息。
可选地，所述WLAN位置信息包括所述WLAN信息对应的经纬度信息，所述根据获取的所述WLAN位置信息确定所述目标位置信息包括：
将所有的WLAN位置信息中的经度值和纬度值分别取平均值，并将得到的经度和纬度的平均值作为目标位置信息。
可选地，所述根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位包括：
当保存有所述终端的位置轨迹时，将所述目标位置信息及所述目标位置信息对应的搜索时刻添加至保存的所述位置轨迹，形成新的位置轨迹，并根据所述新的位置轨迹对所述终端进行定位。
本发明实施例还提供了一种基于WLAN的终端定位装置，所述基于WLAN的终端定位装置包括：
获取模块，设置为当终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻；并在所述终端联网时，根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息；
定位模块，设置为根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位。
可选地，所述获取模块包括：
获取单元，设置为当有搜索时刻对应的WLAN信息为多个时，分别获取每个WLAN信息对应的WLAN位置信息；
确定单元，设置为根据获取的所述WLAN位置信息确定所述目标位置信息。
可选地，所述WLAN位置信息包括所述WLAN信息对应的经纬度信息，所述确定单元是设置为通过如下方式实现根据获取的所述WLAN位置信息确定所述目标位置信息：将所有的WLAN位置信息中的经度值和纬度值分别取平均值，并将得到的经度和纬度的平均值作为目标位置信息。
可选地，所述定位模块包括：
更新单元，设置为当保存有所述终端的位置轨迹时，将所述目标位置信息及所述目标位置信息对应的搜索时刻添加至保存的所述位置轨迹，形成新的位置轨迹，并根据所述新的位置轨迹对所述终端进行定位。
本发明实施例还提供了一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行上述的方法。
本发明实施例在终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻，并在终端联网时，根据所记录的WLAN信息及搜索时刻获取终端在搜索时刻的目标位置信息。然后根据得到的目标位置信息及目标位置信息对应的搜索时刻生成终端的位置轨迹，并根据生成的位置轨迹对终端进行定位。从而能够实现记录终端断网时搜索到的WLAN信息及搜索到WLAN信息的搜索时刻，并在终端联网时获取所记录的终端在搜索时刻的目标位置信息，使得获取终端的目标位置信息比较全面，提高了对终端进行定位的准确性。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为本发明实施例基于WLAN的终端定位方法的流程示意图；
图2为本发明实施例中对用户的活动区域进行定位的示意图；
图3为本发明实施例图1中步骤S20的细化流程示意图；
图4为本发明实施例中对用户的活动区域进行更新的示意图；
图5为本发明实施例基于WLAN的终端定位装置的功能模块示意图；
图6为本发明图5中获取模块的细化功能模块示意图。
本发明的实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
如图1所示，示出了本发明实施例一种基于WLAN的终端定位方法。该实施例的基于WLAN的终端定位方法包括以下步骤：
步骤S10、当终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻；
在本实施例中，该终端可以是手机、平板电脑、车载电脑等移动终端。当终端搜索到WLAN信息时，则获取该搜索到的WLAN信息，同时记录该搜索到WLAN信息的搜索时刻，并将该搜索时刻与搜索到的WLAN信息进行关联存储。
需要说明的是，该WLAN信息包括服务集标识(Service Set Identifier，SSID)和硬件地址(Media Access Control，MAC)。终端搜索WLAN信息的方式可以是每隔预置的时间段对周围区域的WLAN信息进行搜索，该预置的时间段可以是5分钟，也可以根据具体情况进行灵活设置。终端搜索WLAN信息的方式也可以是，当终端从联网状态切换至断网状态，或者终端从断网状态切换至联网状态时，触发终端对周围的WLAN信息进行搜索。当然，终端搜索WLAN信息的方式还可以是其他的搜索方式。
可以理解的是，终端在同一搜索时刻搜索到的WLAN信息可以为一个，也可以为多个，从而得到搜索时刻与WLAN信息的对应关系如表1所示：
表1.搜索时刻与WLAN信息的对应关系
搜索时刻 WLAN信息
时刻1 WLAN1信息、WLAN2信息、WLAN3
  信息
时刻2 WLAN1信息
时刻3 WLAN1信息、WLAN2信息
由上表1可知，终端在时刻1搜索到的WLAN信息为3个，在时刻2搜索到的WLAN信息为1个，在时刻3搜索到的WLAN信息为2个。可以理解的是，终端在同一搜索时刻搜索到的多个WLAN信息还可以为6个，也可根据具体情况进行灵活设置，并不限定本发明。
步骤S20、在所述终端联网时，根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息；
本实施例中，该目标位置信息为终端的经纬度信息。当终端通过接入WLAN或者打开数据流量等手段而处于联网状态时，根据记录的WLAN信息通过查询预置的数据库中与该WLAN信息对应的经纬度信息，从而得到该WLAN信息对应的经纬度信息，并将得到的WLAN信息对应的经纬度信息作为终端的目标位置信息。由于终端能够搜索到该WLAN信息，则表示终端在该WLAN信息覆盖范围内，因此可以用WLAN信息对应的经纬度信息来代表终端的目标位置信息。可以理解的是，该预置的数据库可为：由于每个WLAN信息都自己的经纬度信息，因此所有的WLAN信息与本身匹配的经纬度信息进行一一对应存储而形成数据库，该预置的数据库存储于服务器端。
步骤S30、根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位。
上述目标位置信息为多个，且每个目标位置信息对应有搜索时刻。根据该多个目标位置信息及对应的搜索时刻，生成终端的位置轨迹。本实施例中，该位置轨迹可通过轨迹分析软件生成，生成方法可包括：一个目标位置信息及对应的搜索时刻确定一个位置点，将所有的目标位置信息及对应的搜索时刻确定的所有位置点，按照时间的先后顺序依次用直线连接起来，从而形成终端的位置轨迹。可以理解的是，轨迹分析软件还可以对形成的终端的位置轨迹进行滤波等处理，以使得到的位置轨迹比较平滑。
得到终端的位置轨迹后，将根据位置轨迹对终端进行定位。对终端定位 的方式可为：获取所述位置轨迹中每个所述目标位置信息对应的位置点密集度最大的区域；将获取的所述区域作为所述终端对应的位置信息。该密集度最大的区域可为：在位置轨迹中，单位面积内存在位置点的个数最多的区域。该密集度最大的区域可以是终端的位置轨迹中的一个位置点，也可以是一个区域。可选地，在得到终端的位置轨迹中，若在一天中在某一个位置点上占据的时刻比较多，则将该位置点作为终端对应的位置信息。或者是，在得到的位置轨迹中，将目标位置信息较为集中的区域作为终端对应的位置信息。以上所列举出的两种根据位置轨迹获取终端对应的位置信息的方式仅仅为示例性的，本领域技术人员利用本发明的技术思想，根据其具体需求所提出的其他根据位置轨迹获取终端对应的位置信息均在本发明的保护范围内，在此不进行一一穷举。
本发明实施例可应用于对用户的活动区域进行定位。假设该终端为手机，用户随身携带手机，则手机对应的位置信息可以代表用户的活动区域。如图2所示，假设用户在早上7：00出门，7：10到达附近的超市买菜，买好菜之后，7：30到达附近的公园跟朋友聊天，然后在9：00就回到家。得到用户的位置轨迹为图2中的箭头所示，由此可知，可以将由家、超市和公园构成的区域作为用户的活动区域。当然，由于用户在家的占用了的两个时刻，相对于超市或公园占用的时刻比较多，用户的活动区域也可以是家。在确定用户活动的区域后，有利于地域性的超市、商场、影院、旅游等信息推送商，有针对性地对用户进行信息推送，不仅可以提高信息推送效率，很好匹配用户的需求，而且可以减少成本。
本发明实施例在终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻。在终端联网时，根据所记录的WLAN信息及搜索时刻获取终端在搜索时刻的目标位置信息后，生成终端的位置轨迹并对终端进行定位。从而能够实现记录终端断网时搜索到的WLAN信息及搜索到WLAN信息的搜索时刻，并在终端联网时获取所记录的终端在搜索时刻的目标位置信息，使得获取终端的目标位置信息比较全面，提高了对终端进行定位的准确性。
可选地，如图3所示，基于上述实施例，上述步骤S20可包括以下步骤：
步骤S21、当有搜索时刻对应的WLAN信息为多个时，分别获取每个WLAN信息对应的WLAN位置信息；
步骤S22、根据获取的所述WLAN位置信息确定所述目标位置信息。
当终端在同一搜索时刻搜索得到的WLAN信息为多个时，通过查询服务器中预置的数据库分别获取每个WLAN信息对应的WLAN位置信息，该WLAN位置信息包括WLAN信息对应的经纬度信息。根据获取的WLAN位置信息确定目标位置信息，可选地，将所有的WLAN位置信息中的经度值和纬度值分别取平均值，并将得到的经度和纬度的平均值作为目标位置信息。当然，也可以从获取的WLAN信息对应的经纬度信息中任意选取其中的一个WLAN信息对应的经纬度信息作为终端在该搜索时刻的目标位置信息。可以理解的是，目标位置信息的确定也可根据具体情况进行灵活设置，并不限定本发明。
可选地，基于上述实施例，上述步骤S30可包括：
当保存有所述终端的位置轨迹时，将所述目标位置信息及所述目标位置信息对应的搜索时刻添加至保存的所述位置轨迹，形成新的位置轨迹，并根据所述新的位置轨迹对所述终端进行定位。
终端可能会循环处于联网或断网状态，在上述生成终端的位置轨迹后，当终端断网时，会保存上述生成终端的位置轨迹。当保存有终端的位置轨迹时，在后续得到的目标位置信息及目标位置信息对应的搜索时刻后，将添加至所保存的位置轨迹，以根据形成新的位置轨迹对终端重新定位。可选地，终端按照上述的搜索方式不断地对WLAN信息进行搜索。当终端搜索到WLAN信息时，则继续获取当前搜索到的WLAN信息，同时记录当前搜索到WLAN信息的当前搜索时刻，并将该当前搜索时刻与当前搜索到的WLAN信息进行匹配存储。当终端通过接入WLAN或者打开数据流量等手段重新联网时，根据当前搜索到的WLAN信息通过查询服务器中预置的数据库获取WLAN的经纬度信息，并将得到的WLAN的经纬度信息作为终端的当前目标 位置信息。然后将当前目标位置信息及当前搜索时刻添加到已保存的终端的位置轨迹，即轨迹分析软件在已保存的位置轨迹的基础上，根据当前目标位置信息及当前搜索时刻确定的位置点，按照时间的先后顺序依次连线，从而形成新的位置轨迹，并根据新的位置轨迹对终端进行定位，即重新获取位置点或者区域作为终端对应的位置信息。从而实现了持续获取终端的目标位置信息，并对终端的位置轨迹不断更新，进一步提高了对终端定位的准确性。
举例说明，如图4所示，在上述用户在9：00回到家后，就去公司上班。在9：20～19：50内，用户都呆在公司，然后20：00达到电影院看电影，在23：10才回到家，从而得到了图4中用户新的位置轨迹。在这一天内，用户呆在公司的时间比较多，在公司的这段时间手机将会多次搜索到WLAN信息，并在公司这个位置点累加了多个搜索时刻，且相对于其他位置点的搜索时刻比较多，因此可以将公司的位置点最为用户的活动区域。从而实现了长期对用户的活动情况进行跟踪，并更新得到用户的活动规律，即用户频繁活动的区域。从而能够采集到比较完整的用户的位置信息，进一步提高了对用户活动范围定位的准确性。
本发明实施例还提供了一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行上述的方法。
对应地，如图5所示，提出本发明实施例一种基于WLAN的终端定位装置。该实施例的基于WLAN的终端定位装置包括：
获取模块100，设置为当终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻；并在所述终端联网时，根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息；
在本实施例中，该终端可以是手机、平板电脑、车载电脑等移动终端。当终端搜索到WLAN信息时，则获取模块100获取该搜索到的WLAN信息，同时记录该搜索到WLAN信息的搜索时刻，并将该搜索时刻与搜索到的WLAN信息进行关联存储。
需要说明的是，该WLAN信息包括服务集标识(Service Set Identifier，SSID)和硬件地址(Media Access Control，MAC)。终端搜索WLAN信息的方式可以是每隔预置的时间段对周围区域的WLAN信息进行搜索，该预置的时间段可以是5分钟，也可以根据具体情况进行灵活设置。终端搜索WLAN信息的方式也可以是，当终端从联网状态切换至断网状态，或者终端从断网状态切换至联网状态时，触发终端对周围的WLAN信息进行搜索。当然，终端搜索WLAN信息的方式还可以是其他的搜索方式。
可以理解的是，终端在同一搜索时刻搜索到的WLAN信息可以为一个，也可以为多个，从而记录得到的搜索时刻与WLAN信息的对应关系如表1所示：
表1.搜索时刻与WLAN信息的对应关系
由上表1可知，终端在时刻1搜索到的WLAN信息为3个，在时刻2搜索到的WLAN信息为1个，在时刻3搜索到的WLAN信息为2个。可以理解的是，终端在同一搜索时刻搜索到的多个WLAN信息还可以为6个，也可根据具体情况进行灵活设置，并不限定本发明。
本实施例中，该目标位置信息为终端的经纬度信息。当终端通过接入WLAN或者打开数据流量等手段而处于联网状态时，将得到的WLAN信息传递到获取模块100，获取模块100设置为根据记录的WLAN信息通过查询预置的数据库中与该WLAN信息对应的经纬度信息，从而得到该WLAN信息对应的经纬度信息，并将得到的WLAN信息对应的经纬度信息作为终端的目标位置信息。由于终端能够搜索到该WLAN信息，则表示终端在该WLAN信息覆盖范围内，因此可以用WLAN信息对应的经纬度信息来代表终端的目标位置信息。可以理解的是，该数据库可为：由于每个WLAN信息都自己的 经纬度信息，因此所有的WLAN信息与本身匹配的经纬度信息进行一一对应存储而形成数据库，该数据库存储于服务器端。
定位模块200，设置为根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位。
上述目标位置信息为多个，且每个目标位置信息对应有搜索时刻。定位模块200设置为根据该多个目标位置信息及对应的搜索时刻，生成终端的位置轨迹。本实施例中，该位置轨迹可通过轨迹分析软件生成，生成方法可包括：一个目标位置信息及对应的搜索时刻确定一个位置点，将所有的目标位置信息及对应的搜索时刻确定的所有位置点，按照时间的先后顺序依次用直线连接起来，从而形成终端的位置轨迹。可以理解的是，轨迹分析软件还可以对形成的终端的位置轨迹进行滤波等处理，以使得到的位置轨迹比较平滑。
得到终端的位置轨迹后，定位模块200设置为将根据位置轨迹对终端进行定位。定位模块200对终端定位的方式可为：获取所述位置轨迹中每个所述目标位置信息对应的位置点密集度最大的区域，并将获取的所述区域作为所述终端对应的位置信息。该密集度最大的区域可为：在位置轨迹中，单位面积内存在位置点的个数最多的区域。该密集度最大的区域可以是终端的位置轨迹中的一个位置点，也可以是一个区域。可选地，定位模块200设置为在得到终端的位置轨迹中，若在一天中在某一个位置点上占据的时刻比较多，则将该位置点作为终端对应的位置信息。或者是，在得到的位置轨迹中，将目标位置信息较为集中的区域作为终端对应的位置信息。以上所列举出的两种根据位置轨迹获取终端对应的位置信息的方式仅仅为示例性的，本领域技术人员利用本发明的技术思想，根据其具体需求所提出的其他根据位置轨迹获取终端对应的位置信息均在本发明的保护范围内，在此不进行一一穷举。
本发明实施例可应用于对用户的活动区域进行定位。假设该终端为手机，用户随身携带手机，则手机对应的位置信息可以代表用户的活动区域。如图2所示，假设用户在早上7：00出门，7：10到达附近的超市买菜，买好菜之后，7：30到达附近的公园跟朋友聊天，然后在9：00就回到家。得到用户的位置轨迹为图2中的箭头所示，由此可知，可以将由家、超市和公园构成 的区域作为用户的活动区域。当然，由于用户在家的占用了的两个时刻，相对于超市或公园占用的时刻比较多，用户的活动区域也可以是家。在确定用户活动的区域后，有利于地域性的超市、商场、影院、旅游等信息推送商，有针对性地对用户进行信息推送，不仅可以提高信息推送效率，很好匹配用户的需求，而且可以减少成本。
本发明实施例在终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻。在终端联网时，根据所记录的WLAN信息及搜索时刻获取终端在搜索时刻的目标位置信息后，生成终端的位置轨迹并对终端进行定位。从而能够实现记录终端断网时搜索到的WLAN信息及搜索到WLAN信息的搜索时刻，并在终端联网时获取所记录的终端在搜索时刻的目标位置信息，使得获取终端的目标位置信息比较全面，提高了对终端进行定位的准确性。
可选地，如图6所示，基于上述实施例，上述获取模块100包括：
获取单元110，设置为当有搜索时刻对应的WLAN信息为多个时，分别获取每个WLAN信息对应的WLAN位置信息；
确定单元120，设置为根据获取的所述WLAN位置信息确定所述目标位置信息。
当终端在同一搜索时刻搜索得到的WLAN信息为多个时，获取单元110设置为通过查询服务器的数据库分别获取每个WLAN信息对应的WLAN位置信息，该WLAN位置信息包括WLAN信息对应的经纬度信息。然后确定单元120设置为根据获取的WLAN位置信息确定目标位置信息，可选地，确定单元120设置为将所有的WLAN位置信息中的经度值和纬度值分别取平均值，并将得到的经度和纬度的平均值作为目标位置信息。当然，确定单元120也可以设置为从获取的WLAN信息对应的经纬度信息中任意选取其中的一个WLAN信息对应的经纬度信息作为终端在该搜索时刻的目标位置信息。可以理解的是，目标位置信息的确定也可根据具体情况进行灵活设置，并不限定本发明。
可选地，基于上述实施例，上述定位模块可包括：
更新单元，设置为当保存有所述终端的位置轨迹时，将所述目标位置信息及所述目标位置信息对应的搜索时刻添加至保存的所述位置轨迹，形成新的位置轨迹，并根据所述新的位置轨迹对所述终端进行定位。
终端可能会循环处于联网或断网状态，在上述生成终端的位置轨迹后，当终端断网时，会保存上述生成终端的位置轨迹。当保存有终端的位置轨迹时，更新单元设置为在后续得到的目标位置信息及目标位置信息对应的搜索时刻后，将添加至所保存的位置轨迹，以根据形成新的位置轨迹对终端重新定位。可选地，终端按照上述的搜索方式不断地对WLAN信息进行搜索。当终端搜索到WLAN信息时，更新单元设置为继续获取当前搜索到的WLAN信息，同时记录当前搜索到WLAN信息的当前搜索时刻，并将该当前搜索时刻与当前搜索到的WLAN信息进行匹配存储。当终端通过接入WLAN或者打开数据流量等手段重新联网时，更新单元设置为根据当前搜索到的WLAN信息通过查询服务器中预置的数据库获取WLAN的经纬度信息，并将得到的WLAN的经纬度信息作为终端的当前目标位置信息。然后更新单元设置为将当前目标位置信息及当前搜索时刻添加到已保存的终端的位置轨迹，即轨迹分析软件在已保存的位置轨迹的基础上，根据当前目标位置信息及当前搜索时刻确定的位置点，按照时间的先后顺序依次连线，从而形成新的位置轨迹，并根据新的位置轨迹对终端进行定位，即重新获取位置点或者区域作为终端对应的位置信息。从而实现了持续获取终端的目标位置信息，并对终端的位置轨迹不断更新，进一步提高了对终端定位的准确性。
举例说明，如图4所示，在上述用户在9：00回到家后，就去公司上班。在9：20～19：50内，用户都呆在公司，然后20：00达到电影院看电影，在23：10才回到家，从而得到了图4中用户新的位置轨迹。在这一天内，用户呆在公司的时间比较多，在公司的这段时间手机将会多次搜索到WLAN信息，并在公司这个位置点累加了多个搜索时刻，且相对于其他位置点的搜索时刻比较多，因此可以将公司的位置点最为用户的活动区域。从而实现了长期对用户的活动情况进行跟踪，并更新得到用户的活动规律，即用户频繁活 动的区域。从而能够采集到比较完整的用户的位置信息，进一步提高了对用户活动范围定位的准确性。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序来指令相关硬件(例如处理器)完成，所述程序可以存储于计算机可读存储介质中，如只读存储器、磁盘或光盘等。可选地，上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现。相应地，上述实施例中的各模块/单元可以采用硬件的形式实现，例如通过集成电路来实现其相应功能，也可以采用软件功能模块的形式实现，例如通过处理器执行存储于存储器中的程序/指令来实现其相应功能。本发明不限制于任何特定形式的硬件和软件的结合。
以上仅为本发明的可选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
工业实用性
上述技术方案能够实现记录终端断网时搜索到的WLAN信息及搜索到WLAN信息的搜索时刻，并在终端联网时获取所记录的终端在搜索时刻的目标位置信息，使得获取终端的目标位置信息比较全面，提高了对终端进行定位的准确性。

Claims (9)

  1. 一种基于无线局域网WLAN的终端定位方法，包括：
    当终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻；
    在所述终端联网时，根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息；
    根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位。
  2. 如权利要求1所述的基于WLAN的终端定位方法，其中，所述根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息包括：
    当有搜索时刻对应的WLAN信息为多个时，分别获取每个WLAN信息对应的WLAN位置信息；
    根据获取的所述WLAN位置信息确定所述目标位置信息。
  3. 如权利要求2所述的基于WLAN的终端定位方法，其中，
    所述WLAN位置信息包括所述WLAN信息对应的经纬度信息；
    所述根据获取的所述WLAN位置信息确定所述目标位置信息包括：
    将所有的WLAN位置信息中的经度值和纬度值分别取平均值，并将得到的经度和纬度的平均值作为目标位置信息。
  4. 如权利要求1所述的基于WLAN的终端定位方法，其中，所述根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位包括：
    当保存有所述终端的位置轨迹时，将所述目标位置信息及所述目标位置信息对应的搜索时刻添加至保存的所述位置轨迹，形成新的位置轨迹，并根据所述新的位置轨迹对所述终端进行定位。
  5. 一种基于无线局域网WLAN的终端定位装置，包括：
    获取模块，设置为当终端搜索到WLAN信息时，记录搜索到的WLAN信息及搜索到WLAN信息的搜索时刻；并在所述终端联网时，根据所记录的所述WLAN信息及搜索时刻，获取所述终端在所述搜索时刻的目标位置信息；
    定位模块，设置为根据所述目标位置信息及所述目标位置信息对应的搜索时刻生成所述终端的位置轨迹，并根据所述位置轨迹对所述终端进行定位。
  6. 如权利要求5所述的基于WLAN的终端定位装置，其中，所述获取模块包括：
    获取单元，设置为当有搜索时刻对应的WLAN信息为多个时，分别获取每个WLAN信息对应的WLAN位置信息；
    确定单元，设置为根据获取的所述WLAN位置信息确定所述目标位置信息。
  7. 如权利要求6所述的基于WLAN的终端定位装置，其中，
    所述WLAN位置信息包括所述WLAN信息对应的经纬度信息；
    所述确定单元是设置为通过如下方式实现根据获取的所述WLAN位置信息确定所述目标位置信息：
    将所有的WLAN位置信息中的经度值和纬度值分别取平均值，并将得到的经度和纬度的平均值作为目标位置信息。
  8. 如权利要求5所述的基于WLAN的终端定位装置，其中，所述定位模块包括：
    更新单元，设置为当保存有所述终端的位置轨迹时，将所述目标位置信息及所述目标位置信息对应的搜索时刻添加至保存的所述位置轨迹，形成新的位置轨迹，并根据所述新的位置轨迹对所述终端进行定位。
  9. 一种计算机存储介质，所述计算机存储介质中存储有计算机可执行指令，所述计算机可执行指令用于执行权利要求1～4中任一项所述的方法。
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